Home / 183,459.81-253,067.04-115,368.78

Finding the Fourth Proportional to 183,459.81, 253,067.04 and 115,368.78

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Solution

The fourth proportional to 183,459.81, 253,067.04 and 115,368.78 is: 159,141.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,459.81 : 253,067.04 = 115,368.78 : x
  2. Step 2: Convert to fraction form
    183,459.81/253,067.04 = 115,368.78/x
  3. Step 3: Cross multiply
    183,459.81x = 253,067.04 × 115,368.78
  4. Step 4: Simplify right side
    183,459.81x = 29,196,035,663.01
  5. Step 5: Solve for x
    x = 29,196,035,663.01/183,459.81
  6. Step 6: Final answer
    x = 159,141.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.